// 热门推荐顶部
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    background-color: #f7f7f7;
}
p {
    margin: 0;
    word-wrap:break-word; 
}
a{
    text-decoration: none;
    color: black;
}
.iot_pages{
    width: 10rem;
}
